8-bit 8051 CISC microcontroller featuring 8KB Flash program memory and 512B RAM. This surface-mount QSOP package offers 24 pins with a 0.64mm pitch, a 25 MHz maximum clock rate, and 17 programmable I/Os. Includes 3 timers and supports I2C, SPI, and UART interfaces, operating from a 3V supply within a -40°C to 85°C temperature range.
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Silicon Labs C8051F820-GU technical specifications.
| Basic Package Type | Lead-Frame SMT |
| Package Family Name | SOP |
| Package/Case | QSOP |
| Package Description | Quarter Size Outline Package Or Quality Small Outline Package |
| Lead Shape | Gull-wing |
| Pin Count | 24 |
| PCB | 24 |
| Package Length (mm) | 8.65 |
| Package Width (mm) | 3.9 |
| Package Height (mm) | 1.75(Max) |
| Seated Plane Height (mm) | 2(Max) |
| Pin Pitch (mm) | 0.64 |
| Package Material | Plastic |
| Mounting | Surface Mount |
| Family Name | C8051F8xx |
| Data Bus Width | 8bit |
| Instruction Set Architecture | CISC |
| Maximum Clock Rate | 25MHz |
| Maximum CPU Frequency | 25MHz |
| Device Core | 8051 |
| Program Memory Type | Flash |
| Program Memory Size | 8KB |
| RAM Size | 512B |
| Number of Programmable I/Os | 17 |
| Core Architecture | 8051 |
| Programmability | Yes |
| Number of Timers | 3 |
| Interface Type | I2C/SMBus/SPI/UART |
| CAN | 0 |
| I2C | 1 |
| SPI | 1 |
| Ethernet | 0 |
| UART | 1 |
| USART | 0 |
| USB | 0 |
| I2S | 0 |
| Max Operating Supply Voltage | 3.6V |
| Min Operating Temperature | -40°C |
| Max Operating Temperature | 85°C |
| Cage Code | 6SQ24 |
| EU RoHS | Yes |
| HTS Code | 8542390001 |
| Schedule B | 8542390000 |
| ECCN | EAR99 |
| Automotive | No |
| AEC Qualified | No |
| PPAP | No |
| Radiation Hardening | No |
| RoHS Versions | 2011/65/EU, 2015/863 |
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